Research Area: Metabolic Disease Biological Activity: Orotic acid(6-Carboxyuracil) is a heterocyclic compound and an acid. It was once believed to be part of the vitamin B complex and was called vitamin B13, but it is now known that it is not a vitamin but is instead manufactured in the body by intestinal flora. Its salts, known as orotates, are sometimes used as mineral carriers in some dietary supplements, to increase their bioavailability.Lithium orotate is the most frequently used in this manner. [1] |